import numpy as np
# arr = np.random.randint(5, 11, size=(2, 3))
# print(arr)
# import numpy
# import numpy as np
# arr = np.arange(0,4,1)
# print(arr)
# import numpy
# import numpy as np
# arr = np.arange(1,10,2)
# print(arr)
# import numpy
# import numpy as np
# arr = np.arange(0,1,0.2)
# print(arr)
# import numpy
# import numpy as np
# arr = np.arange(5,0,-1)
# print(arr)
# import numpy
# import numpy as np
# arr = np.linspace(5,12,num=5,endpoint=False,retstep=True)
# print(arr)
# import numpy
# import numpy as np
# arr = np.logspace(2,8,num=5,base=2 ,endpoint=False)
# print(arr)


